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Keywords: High cycle fatigue
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Proceedings Papers

Proc. ASME. POWER2010, ASME 2010 Power Conference, 331-337, July 13–15, 2010
Paper No: POWER2010-27071
... consisted of airfoil fracture in the stationary vanes and blades, FOD, blade tip rubbing, and bending of the stationary vanes, blades and diaphragm shrouds. A laboratory evaluation of stationary vane tenon fracture indicated a high cycle fatigue (HCF) failure mechanism, and crack initiation was accelerated...
Proceedings Papers

Proc. ASME. POWER2007, ASME 2007 Power Conference, 83-90, July 17–19, 2007
Paper No: POWER2007-22010
... of the cracking indicates the failure mechanism to be high cycle fatigue (HCF). The last-stage blades failure evaluation was carried out. The investigation included a metallographic analysis of the cracked blades, natural frequency test and analysis, blade stress analysis, unit s operation parameters...
Proceedings Papers

Proc. ASME. POWER2006, ASME 2006 Power Conference, 281-289, May 2–4, 2006
Paper No: POWER2006-88024
... to be high cycle fatigue (HCF), initiating at the cover segment holes outer fillet radius. The L-0 blades failure investigation was carried out. The investigation included a metallographic analysis of the cracked cover segments and bent blades, Finite Element Method (FEM) stress and natural frequency...